EP 1104005 B1 20061220 - Gas discharge lamp having an oxide emitter electrode
Title (en)
Gas discharge lamp having an oxide emitter electrode
Title (de)
Gasentladungslampe mit Oxidemitter-Elektrode
Title (fr)
Lampe à décharge à gaz à électrode pourvue d'une couche émettrice à oxyde
Publication
Application
Priority
DE 19956322 A 19991123
Abstract (en)
[origin: EP1104005A1] Gas discharge lamp comprises an electrode having a support made of an electrode metal and a first electrode coating made of an electron emitting coating consisting of a metal powder preparation of a powder of a reducing metal selected from aluminum, silicon, titanium, zirconium, hafnium, tantalum, molybdenum, tungsten and their alloys with a powder coating of a precious metal selected from rhenium, cobalt, nickel, ruthenium, palladium, rhodium, iridium and platinum and their alloys and an alkaline earth metal oxide, selected from barium oxide, calcium oxide and strontium oxide.
IPC 8 full level
H01J 61/06 (2006.01); H01J 1/142 (2006.01); H01J 61/067 (2006.01)
CPC (source: EP US)
H01J 61/06 (2013.01 - EP US); H01J 61/0677 (2013.01 - EP US); H01J 61/0675 (2013.01 - EP US); H01J 61/0735 (2013.01 - EP US); H01J 61/0737 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 1104005 A1 20010530; EP 1104005 B1 20061220; DE 19956322 A1 20010531; DE 50013884 D1 20070201; JP 2001155679 A 20010608; US 6674240 B1 20040106
DOCDB simple family (application)
EP 00204015 A 20001114; DE 19956322 A 19991123; DE 50013884 T 20001114; JP 2000355169 A 20001122; US 71687500 A 20001120